<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */


/**
 * Smarty plugin
 *
 * Type:     modifier<br>
 * Name:     nl2br<br>
 * Date:     Feb 26, 2003
 * Purpose:  convert \r\n, \r or \n to <<br>>
 * Input:<br>
 *         - contents = contents to replace
 *         - preceed_test = if true, includes preceeding break tags
 *           in replacement
 * Example:  {$text|nl2br}
 * @link http://smarty.php.net/manual/en/language.modifier.nl2br.php
 *          nl2br (Smarty online manual)
 * @version  1.0
 * @author   Monte Ohrt <monte at ohrt dot com>
 * @param string
 * @return string
 */
function smarty_modifier_paragraph($string)
{
	//含有html，直接返回
	if(strip_tags($string) != $string)
	{
		return $string;
	}

	$aTmp = preg_split("/\r|\n/",$string);
	if($aTmp)
	foreach($aTmp as $key => $val)
	{
		if($val)
		{
			$sTmp .= "<p>".$val."</p>";
		}
	}
	unset($aTmp);
    return $sTmp;
}

/* vim: set expandtab: */

?>
